By Cliff Richey Cliff Richey is a two-time US Open semifinalist, former No. 1-ranked U.S. professional player and a member of two U.S. Davis Cup title-winning teams. He is the author of the book “Acing Depression: A Tennis Champion’s Toughest Match” (for sale here: http://www.amazon.com/dp/0942257669/ref=cm_sw_r_tw_dp_tkO7ub12ZR5W7 ) that documents his life with clinical depression and […]